JVC MX-K35V Service Manual

MX-K35V
1-27
LOGIC
SW2
SW1
L+R L-R L R
+
+
+
+
+
-
-
-
-
-
+
+
+
-
-
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
1. Terminal layout & block diagram
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
VCC
MIC
LOUT
FK
TK
LIN
BIAS
GND
RIN
LP
LP
LP
ROUT
A
B
C
Power supply
Microphone mixing input
Channel L output
Non connect
Non connect
Channel L input
Signal bias
Connect to GND
Channel R input
Connects to LPF time constant element
Connects to LPF time constant element
LPF outpout
Channel R output
Mode select input A
Mode select input B
Mode select input C
-
I
O
-
-
I
I
-
I
O
O
O
O
I
I
I
Pin No.
Symbol
I/O
Function
2. Pin function
BA3837 (IC103) : MIC Mixer
VCC
MIC
LOUT
FK
TK
LIN
BIAS
GND
C
B
A
ROUT
LP
LP
LP
RIN
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
OSC
COUNTER
A/D
SRAM
D/A
MIX
- +
- +
GND
ECHO VR
BIAS
DAINTO
DAINTI
DALPFI
DALPFO
MIXO
CR
MUTE
VCC
ADINTI
ADINTO
ADLPFO
ADLPFI
MIXI
2. Pin function1. Terminal layout & block diagram
BU9253FS (IC851) : Low pass filter & echo mixer
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
GND
ECHO VR
BIAS
DAINTO
DAINTI
DALPFI
DALPFO
MIXO
MIXI
ADLPFI
ADLPFO
ADINTO
ADINTI
VCC
MUTE
CR
Connect GND
Echo level control
Analog part DC bias
DA side integrator output
DA side integrator intput
DA side LPF input
DA side LPF output
Mix AMP output for original tone& echo tone
Mix AMP input pin for original tone
AD side LPF input
AD side LPF output
AD side integrator output
AD side integrator input
Power supply
Mute control signal input
CR pin for oscillator
-
I
-
O
I
I
O
O
I
I
O
O
I
-
I
-
Pin No.
Symbol
I/O
Function
BA15218 / BA15218F (IC102 / IC852) : Dual operational amplifier
1. Terminal layout & block diagram
1
2
OUT1 1
-IN1 2
+IN1 3
G 4
8 Vcc
7 OUT2
6 -IN2
5 +IN2

JVC MX-K35V Specifications

General

Brand	JVC
Model	MX-K35V
Category	Speaker System
Language	English